On Thu, Sep 23, 2021 at 3:15 PM Alex Russell <slightly...@chromium.org>
wrote:
> LGTM3
>
> Would like to see a concrete plan for expanding this method to other
> media-loading elements (<link>, <style>, etc.)
>
<link> already supports this via linkEl.relList.supports("foo"). The
different API shape is necessary because rel="" can contain multiple
space-separated tokens, and it also generalizes with other DOMTokenLists
that benefit from supports() like iframeEl.sandbox.supports("foo").
<style> currently only supports CSS, but I agree that if we were to ever
add multiple stylesheet languages to the platform then we'd want an API
like this on HTMLStyleElement.
>
> On Thursday, September 23, 2021 at 10:50:17 AM UTC-7 Daniel Bratell wrote:
>
>> LGTM2
>>
>> /Daniel
>> On 2021-09-23 12:06, Yoav Weiss wrote:
>>
>> LGTM1
>>
>> On Wed, Sep 22, 2021 at 5:21 AM Tsuyoshi Horo <h...@chromium.org> wrote:
>>
>>> Contact emails
>>>
>>> h...@chromium.org
>>>
>>>
>>> Explainer
>>>
>>> https://github.com/horo-t/explainers/blob/main/script_element_supports.md
>>>
>>>
>>> Specification
>>>
>>> https://html.spec.whatwg.org/multipage/scripting.html#dom-script-supports
>>>
>>
>>> Design docs
>>>
>>> https://github.com/horo-t/explainers/blob/main/script_element_supports.md
>>>
>>>
>>> Summary
>>>
>>> Provides a unified way to detect new features that use script elements.
>>>
>>>
>>>
>>>
>>> Blink component
>>>
>>> Blink>HTML>Script
>>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EHTML%3EScript>
>>>
>>>
>>> TAG review
>>>
>>> https://github.com/w3ctag/design-reviews/issues/674
>>>
>>>
>>> TAG review status
>>>
>>> Issues addressed
>>>
>>
>> It should be noted that there was disagreement
>> <https://github.com/w3ctag/design-reviews/issues/674#issuecomment-920189749>
>> between the TAG and the spec authors on the naming.
>> While I lean towards the call the spec authors made, the need for better
>> JS feature detection is something I repeatedly hear both from the TAG and
>> <https://docs.google.com/document/d/1zxs8kZVUtyqWzRr9SaXGOwrRAOBOYTMRs4MZJ9ahK98/edit?resourcekey=0-xW4ilB9FrmJFkRIOumTTPQ#heading=h.c0uts5ftkk58>
>> others <https://github.com/whatwg/html/issues/4432>. Orthogonal to this
>> intent, this seems like something we should eventually tackle.
>>
>>
>>> Risks Interoperability and Compatibility
>>>
>>> This method provides a synchronous way of feature detections. But for
>>> unsupported browsers, developers need to use an asynchronous way as
>>> discussed at https://github.com/WICG/import-maps/issues/171.
>>>
>>
>> Is it worthwhile to document the desired code patterns we want developers
>> to use? (e.g. test is `supports()` exists and fallback to the async method
>> otherwise)
>>
>>
>>>
>>>
>>>
>>>
>>> Gecko: Worth prototyping (
>>> https://github.com/mozilla/standards-positions/issues/576)
>>>
>>>
>>>
>>> WebKit: No signal (
>>> https://lists.webkit.org/pipermail/webkit-dev/2021-September/031979.html
>>> )
>>>
>>>
>>>
>>> Web developers: Positive The developer feedback on the spec issue (
>>> https://github.com/whatwg/html/issues/6472) was positive.
>>>
>>>
>>> Ergonomics
>>>
>>> No known ergonomics risks.
>>>
>>>
>>>
>>>
>>> Activation
>>>
>>> No known activation risks. This method is easy to use.
>>>
>>>
>>>
>>>
>>> Security
>>>
>>> No known security risks.
>>>
>>>
>>>
>>>
>>> Debuggability
>>>
>>> Developers can call this method from DevTools's console.
>>>
>>>
>>>
>>>
>>> Is this feature fully tested by web-platform-tests
>>> <https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md>
>>> ?
>>>
>>> Yes
>>>
>>>
>>> DevTrial instructions
>>>
>>>
>>> https://github.com/horo-t/explainers/blob/main/script_element_supports_how_to.md
>>>
>>>
>>> Flag name
>>>
>>> ScriptElementSupports
>>>
>>>
>>> Requires code in //chrome?
>>>
>>> False
>>>
>>>
>>> Tracking bug
>>>
>>> https://bugs.chromium.org/p/chromium/issues/detail?id=1245528
>>>
>>>
>>> Sample links
>>>
>>> https://horo-t.github.io/explainers/script_element_supports_sample.html
>>>
>>>
>>> Estimated milestones DevTrial on desktop 95 DevTrial on android 95 DevTrial
>>> on Webview 95
>>>
>>>
>>> Link to entry on the Chrome Platform Status
>>>
>>> https://www.chromestatus.com/feature/5712146835963904
>>>
>>>
>>> Links to previous Intent discussions
>>>
>>> Intent to prototype:
>>> https://groups.google.com/a/chromium.org/g/blink-dev/c/evk2qgsekYk/m/WtdE_XplBQAJ
>>>
>>> Ready for Trial:
>>> https://groups.google.com/a/chromium.org/g/blink-dev/c/-sE2GpCrG6Y/m/UsHXyVW-CAAJ
>>>
>>>
>>>
>>>
>>> This intent message was generated by Chrome Platform Status
>>> <https://www.chromestatus.com/>.
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